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| 型号： | LM2575T-ADJG |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1A TO220-5 |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 37 V |
| 输入电压： | 4.75 V ~ 40 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 52kHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 |
| 包装： | 管件 |
| 供应商设备封装： | TO-220-5 |
| 产品目录页面： | 1116 (CN2011-ZH PDF) |
| 其它名称： | LM2575T-ADJGOS |
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LM2575, NCV2575
OPERATING RATINGS (Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee
specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.)
Rating
Operating Junction Temperature Range
Supply Voltage
Symbol
T J
V in
Value
? 40 to +125
40
Unit
° C
V
SYSTEM PARAMETERS ([Note 1] Test Circuit Figure 14)
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, V in = 12 V for the 3.3 V, 5.0 V, and Adjustable version, V in = 25 V
for the 12 V version, and V in = 30 V for the 15 V version. I Load = 200 mA. For typical values T J = 25 ° C, for min/max values T J is the
operating junction temperature range that applies [Note 2], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
LM2575 ? 3.3 (Note 1 Test Circuit Figure 14)
Output Voltage (V in = 12 V, I Load = 0.2 A, T J = 25 ° C)
Output Voltage (4.75 V ≤ V in ≤ 40 V, 0.2 A ≤ I Load ≤ 1.0 A)
T J = 25 ° C
T J = ? 40 to +125 ° C
Efficiency (V in = 12 V, I Load = 1.0 A)
V out
V out
η
3.234
3.168
3.135
?
3.3
3.3
?
75
3.366
3.432
3.465
?
V
V
%
LM2575 ? 5 ([Note 1] Test Circuit Figure 14)
Output Voltage (V in = 12 V, I Load = 0.2 A, T J = 25 ° C)
Output Voltage (8.0 V ≤ V in ≤ 40 V, 0.2 A ≤ I Load ≤ 1.0 A)
T J = 25 ° C
T J = ? 40 to +125 ° C
Efficiency (V in = 12 V, I Load = 1.0 A)
V out
V out
η
4.9
4.8
4.75
?
5.0
5.0
?
77
5.1
5.2
5.25
?
V
V
%
LM2575 ? 12 (Note 1 Test Circuit Figure 14)
Output Voltage (V in = 25 V, I Load = 0.2 A, T J = 25 ° C)
Output Voltage (15 V ≤ V in ≤ 40 V, 0.2 A ≤ I Load ≤ 1.0 A)
T J = 25 ° C
T J = ? 40 to +125 ° C
Efficiency (V in = 15V, I Load = 1.0 A)
V out
V out
η
11.76
11.52
11.4
?
12
12
?
88
12.24
12.48
12.6
?
V
V
%
LM2575 ? 15 (Note 1 Test Circuit Figure 14)
Output Voltage (V in = 30 V, I Load = 0.2 A, T J = 25 ° C)
Output Voltage (18 V ≤ V in ≤ 40 V, 0.2 A ≤ I Load ≤ 1.0 A)
T J = 25 ° C
T J = ? 40 to +125 ° C
Efficiency (V in = 18 V, I Load = 1.0 A)
V out
V out
η
14.7
14.4
14.25
?
15
15
?
88
15.3
15.6
15.75
?
V
V
%
LM2575 ADJUSTABLE VERSION (Note 1 Test Circuit Figure 14)
Feedback Voltage (V in = 12 V, I Load = 0.2 A, V out = 5.0 V, T J = 25 ° C)
Feedback Voltage (8.0 V ≤ V in ≤ 40 V, 0.2 A ≤ I Load ≤ 1.0 A, V out = 5.0 V)
T J = 25 ° C
T J = ? 40 to +125 ° C
Efficiency (V in = 12 V, I Load = 1.0 A, V out = 5.0 V)
V FB
V FB
η
1.217
1.193
1.18
?
1.23
1.23
?
77
1.243
1.267
1.28
?
V
V
%
1. External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2575 is used as shown in the Figure 14 test circuit, system performance will be as shown in system parameters section .
2. Tested junction temperature range for the LM2575 and the NCV2575: T low = ? 40 ° C T high = +125 ° C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2575T-ADJG | 制造商:ON Semiconductor 功能描述:IC STEP-DOWN REGULATOR TO-220-5 制造商:ON Semiconductor 功能描述:IC, STEP-DOWN REGULATOR, TO-220-5 |
| LM2575T-ADJ-H | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Voltage-Mode SMPS Controller |
| LM2575TADJLF02 | 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 5-Pin(5+Tab) TO-220 Rail |
| LM2575T-ADJ-V | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Voltage-Mode SMPS Controller |
| LM2575TV | 制造商:HTC 制造商全称:HTC Korea TAEJIN Technology Co. 功能描述:1A, 52kHz, Step-Down Switching Regulator |
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